migrator.h File Reference

Header for graphics conversion. More...

#include <wordexp.h>

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Functions
int	migrate (char *, wordexp_t *)
	Transmigrates one graphical kind for another more para-W3C (id est, dvi -> png).
char	cache (char *, wordexp_t *)
	Got cash? spare yourself the render time, baby.

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Detailed Description

Header for graphics conversion.

Definition in file migrator.h.

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Function Documentation

char cache (  char *  pcjob, wordexp_t *  pw )

Got cash? spare yourself the render time, baby. Parameters: pcjob  veritand pw  receptacle of said verity or privation Returns: 0, 1; cache. Definition at line 61 of file migrator.c. Referenced by math(). { char cret = 0; const char *pcglobbase = "%s*png"; const char *pcerr = "migrator.c cache()"; char *pcglob; if ((pcglob = (char *) malloc(strlen(pcglobbase) + strlen(pcjob) + sizeof('\0'))) == NULL) { errno = ENOMEM; perror(pcerr); return cret; } sprintf(pcglob, pcglobbase, pcjob); if (wordexp(pcglob, pw, 0) == 0 && strcmp(*(pw->we_wordv), pcglob) != 0) { cret = 1; } free(pcglob); return cret; }

int migrate (  char *  pcjob, wordexp_t *  pw )

Transmigrates one graphical kind for another more para-W3C (id est, dvi -> png). Parameters: pcjob  job name sans extension; migrand pw  globuland; to be filled of product Returns: state eserialerr Definition at line 29 of file migrator.c. References ALLOC, ERRDVIPNG, ERRDVIPNGOUTPUT, ERRDVIPNGWRITE, EVAL, and NONE. Referenced by math(). { int iret = ERROK; const char *pcbase = "dvipng -T tight -o %s%%d.png %s >&2"; const char *pcerr = "migrator.c migrate()"; const char *pcglobbase = "%s*png"; char NONE(*pccommand), NONE(*pcglob), NONE(*pccache); FILE *pf; ALLOC(pccommand, strlen(pcbase) + strlen(pcjob) + strlen(pcjob)); sprintf(pccommand, pcbase, pcjob, pcjob); EVAL((pf = popen(pccommand, "r")) == NULL, EIO, ERRDVIPNG); EVAL(pclose(pf) == -1, EINVAL, ERRDVIPNGWRITE); ALLOC(pcglob, strlen(pcglobbase) + strlen(pcjob)); sprintf(pcglob, pcglobbase, pcjob); /* Test for results, neither that result is identical to the glob in file expansion's failure. */ EVAL(wordexp(pcglob, pw, 0) != 0 || strcmp(*(pw->we_wordv), pcglob) == 0, EINVAL, ERRDVIPNGOUTPUT); cleanup: free(pccommand); free(pcglob); free(pccache); return iret; }

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