X-Git-Url: https://git.llucax.com/z.facultad/75.06/emufs.git/blobdiff_plain/357a3c6aefa500f808be203a13c3baa1c0e2e541..558540cc250c19c9617a3f3f12a0f5da38c9c84a:/emufs/idx.c?ds=sidebyside diff --git a/emufs/idx.c b/emufs/idx.c index ae717e7..a46c46b 100644 --- a/emufs/idx.c +++ b/emufs/idx.c @@ -78,7 +78,6 @@ EMUFS_REG_ID emufs_idx_buscar_mayor_id_libre(EMUFS* emu, int* err) strcpy(name_f_idx, emu->nombre); strcat(name_f_idx, EMUFS_IDX_EXT); - (*err) = 0; if ((f_idx = fopen(name_f_idx, "rb")) == NULL) { PERR("No se puede abrir archivo"); *err = 4; /* EMUFS_ERROR_CANT_OPEN_FILE */ @@ -210,9 +209,12 @@ EMUFS_REG_ID emufs_idx_get_new_id(EMUFS* efs, int* err) { EMUFS_REG_ID id; - (*err) = 0; id = emufs_did_get_last(efs, err); if (id == EMUFS_NOT_FOUND) { + if (*err) { + PERR("error al obtener ultimo id"); + return id; + } id = emufs_idx_buscar_mayor_id_libre(efs, err); if (*err) { PERR("error al obtener id mayor"); @@ -222,26 +224,26 @@ EMUFS_REG_ID emufs_idx_get_new_id(EMUFS* efs, int* err) return id; } -unsigned int emufs_idx_get_count(EMUFS *emu) +EMUFS_REG_ID emufs_idx_get_count(EMUFS *emu) { FILE *fp; char name_f_idx[255]; - long tam; + EMUFS_REG_ID tam; strcpy(name_f_idx,emu->nombre); strcat(name_f_idx, EMUFS_IDX_EXT); - fp = fopen(name_f_idx, "r"); + fp = fopen(name_f_idx, "rb"); if (fp == NULL) return 0; - fseek(fp, 0, SEEK_END); + fseek(fp, 0l, SEEK_END); tam = ftell(fp); fclose(fp); return tam/sizeof(EMUFS_IDX); } -unsigned long emufs_idx_get_id_att(EMUFS *emu, unsigned int pos) +EMUFS_REG_ID emufs_idx_get_id_at(EMUFS *emu, long pos) { FILE *fp; char name_f_idx[255]; @@ -250,7 +252,7 @@ unsigned long emufs_idx_get_id_att(EMUFS *emu, unsigned int pos) strcpy(name_f_idx,emu->nombre); strcat(name_f_idx, EMUFS_IDX_EXT); - fp = fopen(name_f_idx, "r"); + fp = fopen(name_f_idx, "rb"); if (fp == NULL) return EMUFS_NOT_FOUND; fseek(fp, pos*sizeof(EMUFS_IDX), SEEK_SET); @@ -260,3 +262,17 @@ unsigned long emufs_idx_get_id_att(EMUFS *emu, unsigned int pos) return id.id_reg; } +int emufs_idx_get_cant_reg(EMUFS* emu) +{ + FILE *fp; + char name_f_idx[255]; + long cant; + strcpy(name_f_idx,emu->nombre); + strcat(name_f_idx, EMUFS_IDX_EXT); + + if ( (fp = fopen(name_f_idx, "r")) == NULL ) return -1;/*EMUFS_NOT_FOUND*/; + fseek(fp, 0, SEEK_END); + cant = ftell(fp)/sizeof(EMUFS_IDX); + fclose(fp); + return cant; +}