1 |
mszeredi |
4 |
#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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dpavlin |
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#include <fuse/fuse.h> |
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mszeredi |
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#undef DEBUGf |
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#if 0 |
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#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,PL_stack_sp-PL_stack_base ,##a ) |
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#else |
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#define DEBUGf(a...) |
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#endif |
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richdawe |
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#define N_CALLBACKS 25 |
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SV *_PLfuse_callbacks[N_CALLBACKS]; |
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mszeredi |
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int _PLfuse_getattr(const char *file, struct stat *result) { |
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dSP; |
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int rv, statcount; |
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ENTER; |
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SAVETMPS; |
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PUSHMARK(SP); |
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XPUSHs(sv_2mortal(newSVpv(file,strlen(file)))); |
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PUTBACK; |
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rv = call_sv(_PLfuse_callbacks[0],G_ARRAY); |
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SPAGAIN; |
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if(rv != 13) { |
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if(rv > 1) { |
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fprintf(stderr,"inappropriate number of returned values from getattr\n"); |
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rv = -ENOSYS; |
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} else if(rv) |
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rv = POPi; |
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else |
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rv = -ENOENT; |
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} else { |
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dpavlin |
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result->st_blocks = POPi; |
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mszeredi |
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result->st_blksize = POPi; |
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result->st_ctime = POPi; |
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result->st_mtime = POPi; |
40 |
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result->st_atime = POPi; |
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result->st_size = POPi; |
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result->st_rdev = POPi; |
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result->st_gid = POPi; |
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result->st_uid = POPi; |
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result->st_nlink = POPi; |
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result->st_mode = POPi; |
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/*result->st_ino =*/ POPi; |
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result->st_dev = POPi; |
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rv = 0; |
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} |
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FREETMPS; |
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LEAVE; |
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PUTBACK; |
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return rv; |
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} |
56 |
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int _PLfuse_readlink(const char *file,char *buf,size_t buflen) { |
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int rv; |
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char *rvstr; |
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dSP; |
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I32 ax; |
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if(buflen < 1) |
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return EINVAL; |
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ENTER; |
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SAVETMPS; |
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PUSHMARK(SP); |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
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PUTBACK; |
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rv = call_sv(_PLfuse_callbacks[1],G_SCALAR); |
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SPAGAIN; |
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if(!rv) |
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rv = -ENOENT; |
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else { |
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SV *mysv = POPs; |
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if(SvTYPE(mysv) == SVt_IV || SvTYPE(mysv) == SVt_NV) |
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rv = SvIV(mysv); |
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else { |
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strncpy(buf,SvPV_nolen(mysv),buflen); |
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rv = 0; |
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} |
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} |
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FREETMPS; |
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LEAVE; |
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buf[buflen-1] = 0; |
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PUTBACK; |
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return rv; |
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} |
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int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) { |
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int prv, rv; |
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dSP; |
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ENTER; |
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SAVETMPS; |
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PUSHMARK(SP); |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
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PUTBACK; |
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prv = call_sv(_PLfuse_callbacks[2],G_ARRAY); |
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SPAGAIN; |
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if(prv) { |
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rv = POPi; |
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while(--prv) |
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dpavlin |
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dirfil(dirh,POPp,0); |
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mszeredi |
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} else { |
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fprintf(stderr,"getdir() handler returned nothing!\n"); |
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rv = -ENOSYS; |
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} |
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FREETMPS; |
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LEAVE; |
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PUTBACK; |
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return rv; |
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} |
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int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) { |
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int rv; |
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SV *rvsv; |
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char *rvstr; |
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dSP; |
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ENTER; |
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SAVETMPS; |
120 |
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PUSHMARK(SP); |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
122 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
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XPUSHs(sv_2mortal(newSViv(dev))); |
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PUTBACK; |
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rv = call_sv(_PLfuse_callbacks[3],G_SCALAR); |
126 |
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SPAGAIN; |
127 |
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if(rv) |
128 |
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rv = POPi; |
129 |
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else |
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rv = 0; |
131 |
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FREETMPS; |
132 |
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LEAVE; |
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PUTBACK; |
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return rv; |
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} |
136 |
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137 |
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int _PLfuse_mkdir (const char *file, mode_t mode) { |
138 |
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int rv; |
139 |
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SV *rvsv; |
140 |
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char *rvstr; |
141 |
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dSP; |
142 |
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DEBUGf("mkdir begin: %i\n",sp-PL_stack_base); |
143 |
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ENTER; |
144 |
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SAVETMPS; |
145 |
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PUSHMARK(SP); |
146 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
147 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
148 |
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PUTBACK; |
149 |
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rv = call_sv(_PLfuse_callbacks[4],G_SCALAR); |
150 |
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SPAGAIN; |
151 |
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if(rv) |
152 |
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rv = POPi; |
153 |
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else |
154 |
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rv = 0; |
155 |
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FREETMPS; |
156 |
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LEAVE; |
157 |
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PUTBACK; |
158 |
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DEBUGf("mkdir end: %i %i\n",sp-PL_stack_base,rv); |
159 |
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return rv; |
160 |
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} |
161 |
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162 |
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163 |
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int _PLfuse_unlink (const char *file) { |
164 |
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int rv; |
165 |
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SV *rvsv; |
166 |
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char *rvstr; |
167 |
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dSP; |
168 |
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DEBUGf("unlink begin: %i\n",sp-PL_stack_base); |
169 |
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ENTER; |
170 |
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SAVETMPS; |
171 |
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PUSHMARK(SP); |
172 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
173 |
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PUTBACK; |
174 |
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rv = call_sv(_PLfuse_callbacks[5],G_SCALAR); |
175 |
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SPAGAIN; |
176 |
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if(rv) |
177 |
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rv = POPi; |
178 |
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else |
179 |
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rv = 0; |
180 |
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FREETMPS; |
181 |
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LEAVE; |
182 |
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PUTBACK; |
183 |
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DEBUGf("unlink end: %i\n",sp-PL_stack_base); |
184 |
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return rv; |
185 |
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} |
186 |
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187 |
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int _PLfuse_rmdir (const char *file) { |
188 |
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int rv; |
189 |
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SV *rvsv; |
190 |
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char *rvstr; |
191 |
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dSP; |
192 |
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DEBUGf("rmdir begin: %i\n",sp-PL_stack_base); |
193 |
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ENTER; |
194 |
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SAVETMPS; |
195 |
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PUSHMARK(SP); |
196 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
197 |
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PUTBACK; |
198 |
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rv = call_sv(_PLfuse_callbacks[6],G_SCALAR); |
199 |
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SPAGAIN; |
200 |
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if(rv) |
201 |
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rv = POPi; |
202 |
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else |
203 |
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rv = 0; |
204 |
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FREETMPS; |
205 |
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LEAVE; |
206 |
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PUTBACK; |
207 |
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DEBUGf("rmdir end: %i %i\n",sp-PL_stack_base,rv); |
208 |
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return rv; |
209 |
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} |
210 |
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211 |
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int _PLfuse_symlink (const char *file, const char *new) { |
212 |
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int rv; |
213 |
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SV *rvsv; |
214 |
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char *rvstr; |
215 |
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dSP; |
216 |
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DEBUGf("symlink begin: %i\n",sp-PL_stack_base); |
217 |
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ENTER; |
218 |
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SAVETMPS; |
219 |
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PUSHMARK(SP); |
220 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
221 |
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
222 |
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PUTBACK; |
223 |
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rv = call_sv(_PLfuse_callbacks[7],G_SCALAR); |
224 |
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SPAGAIN; |
225 |
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if(rv) |
226 |
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rv = POPi; |
227 |
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else |
228 |
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rv = 0; |
229 |
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FREETMPS; |
230 |
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LEAVE; |
231 |
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PUTBACK; |
232 |
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DEBUGf("symlink end: %i\n",sp-PL_stack_base); |
233 |
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return rv; |
234 |
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} |
235 |
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236 |
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int _PLfuse_rename (const char *file, const char *new) { |
237 |
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int rv; |
238 |
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SV *rvsv; |
239 |
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char *rvstr; |
240 |
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dSP; |
241 |
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DEBUGf("rename begin: %i\n",sp-PL_stack_base); |
242 |
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ENTER; |
243 |
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SAVETMPS; |
244 |
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PUSHMARK(SP); |
245 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
246 |
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
247 |
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PUTBACK; |
248 |
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rv = call_sv(_PLfuse_callbacks[8],G_SCALAR); |
249 |
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SPAGAIN; |
250 |
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if(rv) |
251 |
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rv = POPi; |
252 |
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else |
253 |
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rv = 0; |
254 |
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FREETMPS; |
255 |
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LEAVE; |
256 |
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PUTBACK; |
257 |
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DEBUGf("rename end: %i\n",sp-PL_stack_base); |
258 |
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return rv; |
259 |
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} |
260 |
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261 |
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int _PLfuse_link (const char *file, const char *new) { |
262 |
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int rv; |
263 |
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SV *rvsv; |
264 |
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char *rvstr; |
265 |
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dSP; |
266 |
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DEBUGf("link begin: %i\n",sp-PL_stack_base); |
267 |
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ENTER; |
268 |
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SAVETMPS; |
269 |
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PUSHMARK(SP); |
270 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
271 |
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
272 |
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PUTBACK; |
273 |
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rv = call_sv(_PLfuse_callbacks[9],G_SCALAR); |
274 |
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SPAGAIN; |
275 |
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if(rv) |
276 |
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rv = POPi; |
277 |
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else |
278 |
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rv = 0; |
279 |
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FREETMPS; |
280 |
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LEAVE; |
281 |
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PUTBACK; |
282 |
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DEBUGf("link end: %i\n",sp-PL_stack_base); |
283 |
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return rv; |
284 |
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} |
285 |
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286 |
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int _PLfuse_chmod (const char *file, mode_t mode) { |
287 |
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int rv; |
288 |
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SV *rvsv; |
289 |
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char *rvstr; |
290 |
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dSP; |
291 |
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DEBUGf("chmod begin: %i\n",sp-PL_stack_base); |
292 |
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ENTER; |
293 |
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SAVETMPS; |
294 |
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PUSHMARK(SP); |
295 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
296 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
297 |
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PUTBACK; |
298 |
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rv = call_sv(_PLfuse_callbacks[10],G_SCALAR); |
299 |
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SPAGAIN; |
300 |
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if(rv) |
301 |
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rv = POPi; |
302 |
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else |
303 |
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rv = 0; |
304 |
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FREETMPS; |
305 |
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LEAVE; |
306 |
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PUTBACK; |
307 |
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DEBUGf("chmod end: %i\n",sp-PL_stack_base); |
308 |
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return rv; |
309 |
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} |
310 |
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311 |
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int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) { |
312 |
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int rv; |
313 |
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SV *rvsv; |
314 |
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char *rvstr; |
315 |
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dSP; |
316 |
|
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DEBUGf("chown begin: %i\n",sp-PL_stack_base); |
317 |
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ENTER; |
318 |
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SAVETMPS; |
319 |
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PUSHMARK(SP); |
320 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
321 |
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XPUSHs(sv_2mortal(newSViv(uid))); |
322 |
|
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XPUSHs(sv_2mortal(newSViv(gid))); |
323 |
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PUTBACK; |
324 |
|
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rv = call_sv(_PLfuse_callbacks[11],G_SCALAR); |
325 |
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SPAGAIN; |
326 |
|
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if(rv) |
327 |
|
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rv = POPi; |
328 |
|
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else |
329 |
|
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rv = 0; |
330 |
|
|
FREETMPS; |
331 |
|
|
LEAVE; |
332 |
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|
PUTBACK; |
333 |
|
|
DEBUGf("chown end: %i\n",sp-PL_stack_base); |
334 |
|
|
return rv; |
335 |
|
|
} |
336 |
|
|
|
337 |
|
|
int _PLfuse_truncate (const char *file, off_t off) { |
338 |
|
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int rv; |
339 |
|
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SV *rvsv; |
340 |
|
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char *rvstr; |
341 |
|
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dSP; |
342 |
|
|
DEBUGf("truncate begin: %i\n",sp-PL_stack_base); |
343 |
|
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ENTER; |
344 |
|
|
SAVETMPS; |
345 |
|
|
PUSHMARK(SP); |
346 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
347 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
348 |
|
|
PUTBACK; |
349 |
|
|
rv = call_sv(_PLfuse_callbacks[12],G_SCALAR); |
350 |
|
|
SPAGAIN; |
351 |
|
|
if(rv) |
352 |
|
|
rv = POPi; |
353 |
|
|
else |
354 |
|
|
rv = 0; |
355 |
|
|
FREETMPS; |
356 |
|
|
LEAVE; |
357 |
|
|
PUTBACK; |
358 |
|
|
DEBUGf("truncate end: %i\n",sp-PL_stack_base); |
359 |
|
|
return rv; |
360 |
|
|
} |
361 |
|
|
|
362 |
|
|
int _PLfuse_utime (const char *file, struct utimbuf *uti) { |
363 |
|
|
int rv; |
364 |
|
|
SV *rvsv; |
365 |
|
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char *rvstr; |
366 |
|
|
dSP; |
367 |
|
|
DEBUGf("utime begin: %i\n",sp-PL_stack_base); |
368 |
|
|
ENTER; |
369 |
|
|
SAVETMPS; |
370 |
|
|
PUSHMARK(SP); |
371 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
372 |
|
|
XPUSHs(sv_2mortal(newSViv(uti->actime))); |
373 |
|
|
XPUSHs(sv_2mortal(newSViv(uti->modtime))); |
374 |
|
|
PUTBACK; |
375 |
|
|
rv = call_sv(_PLfuse_callbacks[13],G_SCALAR); |
376 |
|
|
SPAGAIN; |
377 |
|
|
if(rv) |
378 |
|
|
rv = POPi; |
379 |
|
|
else |
380 |
|
|
rv = 0; |
381 |
|
|
FREETMPS; |
382 |
|
|
LEAVE; |
383 |
|
|
PUTBACK; |
384 |
|
|
DEBUGf("utime end: %i\n",sp-PL_stack_base); |
385 |
|
|
return rv; |
386 |
|
|
} |
387 |
|
|
|
388 |
|
|
int _PLfuse_open (const char *file, int flags) { |
389 |
|
|
int rv; |
390 |
|
|
SV *rvsv; |
391 |
|
|
char *rvstr; |
392 |
|
|
dSP; |
393 |
|
|
DEBUGf("open begin: %i\n",sp-PL_stack_base); |
394 |
|
|
ENTER; |
395 |
|
|
SAVETMPS; |
396 |
|
|
PUSHMARK(SP); |
397 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
398 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
399 |
|
|
PUTBACK; |
400 |
|
|
rv = call_sv(_PLfuse_callbacks[14],G_SCALAR); |
401 |
|
|
SPAGAIN; |
402 |
|
|
if(rv) |
403 |
|
|
rv = POPi; |
404 |
|
|
else |
405 |
|
|
rv = 0; |
406 |
|
|
FREETMPS; |
407 |
|
|
LEAVE; |
408 |
|
|
PUTBACK; |
409 |
|
|
DEBUGf("open end: %i %i\n",sp-PL_stack_base,rv); |
410 |
|
|
return rv; |
411 |
|
|
} |
412 |
|
|
|
413 |
|
|
int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off) { |
414 |
|
|
int rv; |
415 |
|
|
char *rvstr; |
416 |
|
|
dSP; |
417 |
|
|
DEBUGf("read begin: %i\n",sp-PL_stack_base); |
418 |
|
|
ENTER; |
419 |
|
|
SAVETMPS; |
420 |
|
|
PUSHMARK(SP); |
421 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
422 |
|
|
XPUSHs(sv_2mortal(newSViv(buflen))); |
423 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
424 |
|
|
PUTBACK; |
425 |
|
|
rv = call_sv(_PLfuse_callbacks[15],G_SCALAR); |
426 |
|
|
SPAGAIN; |
427 |
|
|
if(!rv) |
428 |
|
|
rv = -ENOENT; |
429 |
|
|
else { |
430 |
|
|
SV *mysv = POPs; |
431 |
|
|
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
432 |
|
|
rv = SvIV(mysv); |
433 |
|
|
else { |
434 |
|
|
if(SvPOK(mysv)) { |
435 |
|
|
rv = SvCUR(mysv); |
436 |
|
|
} else { |
437 |
|
|
rv = 0; |
438 |
|
|
} |
439 |
|
|
if(rv > buflen) |
440 |
|
|
croak("read() handler returned more than buflen! (%i > %i)",rv,buflen); |
441 |
|
|
if(rv) |
442 |
|
|
memcpy(buf,SvPV_nolen(mysv),rv); |
443 |
|
|
} |
444 |
|
|
} |
445 |
|
|
FREETMPS; |
446 |
|
|
LEAVE; |
447 |
|
|
PUTBACK; |
448 |
|
|
DEBUGf("read end: %i %i\n",sp-PL_stack_base,rv); |
449 |
|
|
return rv; |
450 |
|
|
} |
451 |
|
|
|
452 |
|
|
int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off) { |
453 |
|
|
int rv; |
454 |
|
|
char *rvstr; |
455 |
|
|
dSP; |
456 |
|
|
DEBUGf("write begin: %i\n",sp-PL_stack_base); |
457 |
|
|
ENTER; |
458 |
|
|
SAVETMPS; |
459 |
|
|
PUSHMARK(SP); |
460 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
461 |
|
|
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
462 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
463 |
|
|
PUTBACK; |
464 |
|
|
rv = call_sv(_PLfuse_callbacks[16],G_SCALAR); |
465 |
|
|
SPAGAIN; |
466 |
|
|
if(rv) |
467 |
|
|
rv = POPi; |
468 |
|
|
else |
469 |
|
|
rv = 0; |
470 |
|
|
FREETMPS; |
471 |
|
|
LEAVE; |
472 |
|
|
PUTBACK; |
473 |
|
|
DEBUGf("write end: %i\n",sp-PL_stack_base); |
474 |
|
|
return rv; |
475 |
|
|
} |
476 |
|
|
|
477 |
|
|
int _PLfuse_statfs (const char *file, struct statfs *st) { |
478 |
|
|
int rv; |
479 |
|
|
char *rvstr; |
480 |
|
|
dSP; |
481 |
|
|
DEBUGf("statfs begin: %i\n",sp-PL_stack_base); |
482 |
|
|
ENTER; |
483 |
|
|
SAVETMPS; |
484 |
|
|
PUSHMARK(SP); |
485 |
|
|
PUTBACK; |
486 |
|
|
rv = call_sv(_PLfuse_callbacks[17],G_ARRAY); |
487 |
|
|
SPAGAIN; |
488 |
|
|
if(rv > 5) { |
489 |
|
|
st->f_bsize = POPi; |
490 |
|
|
st->f_bfree = POPi; |
491 |
|
|
st->f_blocks = POPi; |
492 |
|
|
st->f_ffree = POPi; |
493 |
|
|
st->f_files = POPi; |
494 |
|
|
st->f_namelen = POPi; |
495 |
|
|
if(rv > 6) |
496 |
|
|
rv = POPi; |
497 |
|
|
else |
498 |
|
|
rv = 0; |
499 |
|
|
} else |
500 |
|
|
if(rv > 1) |
501 |
|
|
croak("inappropriate number of returned values from statfs"); |
502 |
|
|
else |
503 |
|
|
if(rv) |
504 |
|
|
rv = POPi; |
505 |
|
|
else |
506 |
|
|
rv = -ENOSYS; |
507 |
|
|
FREETMPS; |
508 |
|
|
LEAVE; |
509 |
|
|
PUTBACK; |
510 |
|
|
DEBUGf("statfs end: %i\n",sp-PL_stack_base); |
511 |
|
|
return rv; |
512 |
|
|
} |
513 |
|
|
|
514 |
richdawe |
14 |
int _PLfuse_flush (const char *file) { |
515 |
|
|
int rv; |
516 |
|
|
char *rvstr; |
517 |
|
|
dSP; |
518 |
|
|
DEBUGf("flush begin: %i\n",sp-PL_stack_base); |
519 |
|
|
ENTER; |
520 |
|
|
SAVETMPS; |
521 |
|
|
PUSHMARK(SP); |
522 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
523 |
|
|
PUTBACK; |
524 |
|
|
rv = call_sv(_PLfuse_callbacks[18],G_SCALAR); |
525 |
|
|
SPAGAIN; |
526 |
|
|
if(rv) |
527 |
|
|
rv = POPi; |
528 |
|
|
else |
529 |
|
|
rv = 0; |
530 |
|
|
FREETMPS; |
531 |
|
|
LEAVE; |
532 |
|
|
PUTBACK; |
533 |
|
|
DEBUGf("flush end: %i\n",sp-PL_stack_base); |
534 |
|
|
return rv; |
535 |
|
|
} |
536 |
|
|
|
537 |
|
|
int _PLfuse_release (const char *file, int flags) { |
538 |
|
|
int rv; |
539 |
|
|
char *rvstr; |
540 |
|
|
dSP; |
541 |
|
|
DEBUGf("release begin: %i\n",sp-PL_stack_base); |
542 |
|
|
ENTER; |
543 |
|
|
SAVETMPS; |
544 |
|
|
PUSHMARK(SP); |
545 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
546 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
547 |
|
|
PUTBACK; |
548 |
|
|
rv = call_sv(_PLfuse_callbacks[19],G_SCALAR); |
549 |
|
|
SPAGAIN; |
550 |
|
|
if(rv) |
551 |
|
|
rv = POPi; |
552 |
|
|
else |
553 |
|
|
rv = 0; |
554 |
|
|
FREETMPS; |
555 |
|
|
LEAVE; |
556 |
|
|
PUTBACK; |
557 |
|
|
DEBUGf("release end: %i\n",sp-PL_stack_base); |
558 |
|
|
return rv; |
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
int _PLfuse_fsync (const char *file, int flags) { |
562 |
|
|
int rv; |
563 |
|
|
char *rvstr; |
564 |
|
|
dSP; |
565 |
|
|
DEBUGf("fsync begin: %i\n",sp-PL_stack_base); |
566 |
|
|
ENTER; |
567 |
|
|
SAVETMPS; |
568 |
|
|
PUSHMARK(SP); |
569 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
570 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
571 |
|
|
PUTBACK; |
572 |
|
|
rv = call_sv(_PLfuse_callbacks[20],G_SCALAR); |
573 |
|
|
SPAGAIN; |
574 |
|
|
if(rv) |
575 |
|
|
rv = POPi; |
576 |
|
|
else |
577 |
|
|
rv = 0; |
578 |
|
|
FREETMPS; |
579 |
|
|
LEAVE; |
580 |
|
|
PUTBACK; |
581 |
|
|
DEBUGf("fsync end: %i\n",sp-PL_stack_base); |
582 |
|
|
return rv; |
583 |
|
|
} |
584 |
|
|
|
585 |
|
|
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) { |
586 |
|
|
int rv; |
587 |
|
|
char *rvstr; |
588 |
|
|
dSP; |
589 |
|
|
DEBUGf("setxattr begin: %i\n",sp-PL_stack_base); |
590 |
|
|
ENTER; |
591 |
|
|
SAVETMPS; |
592 |
|
|
PUSHMARK(SP); |
593 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
594 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
595 |
|
|
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
596 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
597 |
|
|
PUTBACK; |
598 |
|
|
rv = call_sv(_PLfuse_callbacks[21],G_SCALAR); |
599 |
|
|
SPAGAIN; |
600 |
|
|
if(rv) |
601 |
|
|
rv = POPi; |
602 |
|
|
else |
603 |
|
|
rv = 0; |
604 |
|
|
FREETMPS; |
605 |
|
|
LEAVE; |
606 |
|
|
PUTBACK; |
607 |
|
|
DEBUGf("setxattr end: %i\n",sp-PL_stack_base); |
608 |
|
|
return rv; |
609 |
|
|
} |
610 |
|
|
|
611 |
|
|
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) { |
612 |
|
|
int rv; |
613 |
|
|
char *rvstr; |
614 |
|
|
dSP; |
615 |
|
|
DEBUGf("getxattr begin: %i\n",sp-PL_stack_base); |
616 |
|
|
ENTER; |
617 |
|
|
SAVETMPS; |
618 |
|
|
PUSHMARK(SP); |
619 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
620 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
621 |
|
|
PUTBACK; |
622 |
|
|
rv = call_sv(_PLfuse_callbacks[22],G_SCALAR); |
623 |
|
|
SPAGAIN; |
624 |
|
|
if(!rv) |
625 |
|
|
rv = -ENOENT; |
626 |
|
|
else { |
627 |
|
|
SV *mysv = POPs; |
628 |
|
|
|
629 |
|
|
rv = 0; |
630 |
|
|
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
631 |
|
|
rv = SvIV(mysv); |
632 |
|
|
else { |
633 |
|
|
if(SvPOK(mysv)) { |
634 |
|
|
rv = SvCUR(mysv); |
635 |
|
|
} else { |
636 |
|
|
rv = 0; |
637 |
|
|
} |
638 |
|
|
if ((rv > 0) && (buflen > 0)) |
639 |
|
|
{ |
640 |
|
|
if(rv > buflen) |
641 |
|
|
rv = -ERANGE; |
642 |
|
|
else |
643 |
|
|
memcpy(buf,SvPV_nolen(mysv),rv); |
644 |
|
|
} |
645 |
|
|
} |
646 |
|
|
} |
647 |
|
|
FREETMPS; |
648 |
|
|
LEAVE; |
649 |
|
|
PUTBACK; |
650 |
|
|
DEBUGf("getxattr end: %i\n",sp-PL_stack_base); |
651 |
|
|
return rv; |
652 |
|
|
} |
653 |
|
|
|
654 |
|
|
int _PLfuse_listxattr (const char *file, char *list, size_t size) { |
655 |
|
|
int prv, rv; |
656 |
|
|
char *rvstr; |
657 |
|
|
dSP; |
658 |
|
|
DEBUGf("listxattr begin: %i\n",sp-PL_stack_base); |
659 |
|
|
ENTER; |
660 |
|
|
SAVETMPS; |
661 |
|
|
PUSHMARK(SP); |
662 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
663 |
|
|
PUTBACK; |
664 |
|
|
prv = call_sv(_PLfuse_callbacks[23],G_ARRAY); |
665 |
|
|
SPAGAIN; |
666 |
|
|
if(!prv) |
667 |
|
|
rv = -ENOENT; |
668 |
|
|
else { |
669 |
|
|
|
670 |
|
|
char *p = list; |
671 |
|
|
int spc = size; |
672 |
|
|
int total_len = 0; |
673 |
|
|
int i; |
674 |
|
|
|
675 |
|
|
rv = POPi; |
676 |
|
|
prv--; |
677 |
|
|
|
678 |
|
|
/* Always nul terminate */ |
679 |
|
|
if (list && (size > 0)) |
680 |
|
|
list[0] = '\0'; |
681 |
|
|
|
682 |
|
|
while (prv > 0) |
683 |
|
|
{ |
684 |
|
|
SV *mysv = POPs; |
685 |
|
|
prv--; |
686 |
|
|
|
687 |
|
|
if (SvPOK(mysv)) { |
688 |
|
|
/* Copy nul too */ |
689 |
|
|
int s = SvCUR(mysv) + 1; |
690 |
|
|
total_len += s; |
691 |
|
|
|
692 |
|
|
if (p && (size > 0) && (spc >= s)) |
693 |
|
|
{ |
694 |
|
|
memcpy(p,SvPV_nolen(mysv),s); |
695 |
|
|
p += s; |
696 |
|
|
spc -= s; |
697 |
|
|
} |
698 |
|
|
} |
699 |
|
|
} |
700 |
|
|
|
701 |
|
|
/* |
702 |
|
|
* If the Perl returned an error, return that. |
703 |
|
|
* Otherwise check that the buffer was big enough. |
704 |
|
|
*/ |
705 |
|
|
if (rv == 0) |
706 |
|
|
{ |
707 |
|
|
rv = total_len; |
708 |
|
|
if ((size > 0) && (size < total_len)) |
709 |
|
|
rv = -ERANGE; |
710 |
|
|
} |
711 |
|
|
} |
712 |
|
|
FREETMPS; |
713 |
|
|
LEAVE; |
714 |
|
|
PUTBACK; |
715 |
|
|
DEBUGf("listxattr end: %i\n",sp-PL_stack_base); |
716 |
|
|
return rv; |
717 |
|
|
} |
718 |
|
|
|
719 |
|
|
int _PLfuse_removexattr (const char *file, const char *name) { |
720 |
|
|
int rv; |
721 |
|
|
char *rvstr; |
722 |
|
|
dSP; |
723 |
|
|
DEBUGf("removexattr begin: %i\n",sp-PL_stack_base); |
724 |
|
|
ENTER; |
725 |
|
|
SAVETMPS; |
726 |
|
|
PUSHMARK(SP); |
727 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
728 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
729 |
|
|
PUTBACK; |
730 |
|
|
rv = call_sv(_PLfuse_callbacks[24],G_SCALAR); |
731 |
|
|
SPAGAIN; |
732 |
|
|
if(rv) |
733 |
|
|
rv = POPi; |
734 |
|
|
else |
735 |
|
|
rv = 0; |
736 |
|
|
FREETMPS; |
737 |
|
|
LEAVE; |
738 |
|
|
PUTBACK; |
739 |
|
|
DEBUGf("removexattr end: %i\n",sp-PL_stack_base); |
740 |
|
|
return rv; |
741 |
|
|
} |
742 |
|
|
|
743 |
mszeredi |
4 |
struct fuse_operations _available_ops = { |
744 |
richdawe |
14 |
getattr: _PLfuse_getattr, |
745 |
|
|
readlink: _PLfuse_readlink, |
746 |
|
|
getdir: _PLfuse_getdir, |
747 |
|
|
mknod: _PLfuse_mknod, |
748 |
|
|
mkdir: _PLfuse_mkdir, |
749 |
|
|
unlink: _PLfuse_unlink, |
750 |
|
|
rmdir: _PLfuse_rmdir, |
751 |
|
|
symlink: _PLfuse_symlink, |
752 |
|
|
rename: _PLfuse_rename, |
753 |
|
|
link: _PLfuse_link, |
754 |
|
|
chmod: _PLfuse_chmod, |
755 |
|
|
chown: _PLfuse_chown, |
756 |
|
|
truncate: _PLfuse_truncate, |
757 |
|
|
utime: _PLfuse_utime, |
758 |
|
|
open: _PLfuse_open, |
759 |
|
|
read: _PLfuse_read, |
760 |
|
|
write: _PLfuse_write, |
761 |
|
|
statfs: _PLfuse_statfs, |
762 |
|
|
flush: _PLfuse_flush, |
763 |
|
|
release: _PLfuse_release, |
764 |
|
|
fsync: _PLfuse_fsync, |
765 |
|
|
setxattr: _PLfuse_setxattr, |
766 |
|
|
getxattr: _PLfuse_getxattr, |
767 |
|
|
listxattr: _PLfuse_listxattr, |
768 |
|
|
removexattr: _PLfuse_removexattr, |
769 |
mszeredi |
4 |
}; |
770 |
|
|
|
771 |
|
|
MODULE = Fuse PACKAGE = Fuse |
772 |
|
|
PROTOTYPES: DISABLE |
773 |
|
|
|
774 |
|
|
void |
775 |
|
|
perl_fuse_main(...) |
776 |
|
|
PREINIT: |
777 |
richdawe |
14 |
struct fuse_operations fops = {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; |
778 |
mszeredi |
4 |
int i, fd, varnum = 0, debug, have_mnt; |
779 |
|
|
char *mountpoint; |
780 |
|
|
STRLEN n_a; |
781 |
|
|
STRLEN l; |
782 |
|
|
INIT: |
783 |
richdawe |
14 |
if(items != 27) { |
784 |
mszeredi |
4 |
fprintf(stderr,"Perl<->C inconsistency or internal error\n"); |
785 |
|
|
XSRETURN_UNDEF; |
786 |
|
|
} |
787 |
|
|
CODE: |
788 |
|
|
debug = SvIV(ST(0)); |
789 |
|
|
mountpoint = SvPV_nolen(ST(1)); |
790 |
|
|
/* FIXME: reevaluate multithreading support when perl6 arrives */ |
791 |
richdawe |
14 |
for(i=0;i<N_CALLBACKS;i++) { |
792 |
mszeredi |
4 |
SV *var = ST(i+2); |
793 |
|
|
if((var != &PL_sv_undef) && SvROK(var)) { |
794 |
|
|
if(SvTYPE(SvRV(var)) == SVt_PVCV) { |
795 |
|
|
void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops; |
796 |
|
|
tmp2[i] = tmp1[i]; |
797 |
|
|
_PLfuse_callbacks[i] = var; |
798 |
|
|
} else |
799 |
|
|
croak("arg is not a code reference!"); |
800 |
|
|
} |
801 |
|
|
} |
802 |
|
|
/* FIXME: need to pass fusermount arguments */ |
803 |
|
|
fd = fuse_mount(mountpoint,NULL); |
804 |
|
|
if(fd < 0) |
805 |
|
|
croak("could not mount fuse filesystem!"); |
806 |
|
|
fuse_loop(fuse_new(fd,debug ? "debug" : NULL,&fops)); |