diff options
Diffstat (limited to 'src/file_pdf.c')
| -rw-r--r-- | src/file_pdf.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/file_pdf.c b/src/file_pdf.c index 90d7d56c..ef828aee 100644 --- a/src/file_pdf.c +++ b/src/file_pdf.c @@ -59,33 +59,34 @@ static int header_check_pdf(const unsigned char *buffer, const unsigned int buff { const unsigned char sig_illustrator[11]={'I','l','l','u','s','t','r','a','t','o','r'}; const unsigned char sig_linearized[10]={'L','i','n','e','a','r','i','z','e','d'}; - const unsigned char *linearized; + const unsigned char *src; reset_file_recovery(file_recovery_new); if(td_memmem(buffer, 512, sig_illustrator,sizeof(sig_illustrator)) != NULL) file_recovery_new->extension="ai"; else file_recovery_new->extension=file_hint_pdf.extension; - if((linearized=(const unsigned char *)td_memmem(buffer, 512, sig_linearized, sizeof(sig_linearized))) != NULL) + if((src=(const unsigned char *)td_memmem(buffer, 512, sig_linearized, sizeof(sig_linearized))) != NULL) { - linearized+=sizeof(sig_linearized); - while(*linearized!='>' && linearized<=buffer+512) + src+=sizeof(sig_linearized); + for(; src<=buffer+512 && *src!='>'; src++) { - if(*linearized=='/' && *(linearized+1)=='L') + if(*src=='/' && *(src+1)=='L') { - linearized+=2; - while(*linearized==' ' || *linearized=='\t' || *linearized=='\n' || *linearized=='\r') - linearized++; + src+=2; + while(src<buffer+512 && + (*src==' ' || *src=='\t' || *src=='\n' || *src=='\r')) + src++; file_recovery_new->calculated_file_size=0; - while(*linearized>='0' && *linearized<='9' && linearized<=buffer+512) + while(src<buffer+512 && + *src>='0' && *src<='9') { - file_recovery_new->calculated_file_size=file_recovery_new->calculated_file_size*10+(*linearized)-'0'; - linearized++; + file_recovery_new->calculated_file_size=file_recovery_new->calculated_file_size*10+(*src)-'0'; + src++; } file_recovery_new->data_check=&data_check_size; file_recovery_new->file_check=&file_check_pdf_and_size; return 1; } - linearized++; } } file_recovery_new->file_check=&file_check_pdf; |