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| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <psxabi/sys_errno.h> |
| |
| #include <ntux/ntux.h> |
| #include "ntux_driver_impl.h" |
| #include "ntux_nolibc_impl.h" |
| #include "ntux_strerr_impl.h" |
| |
| static const char aclr_reset[] = "\x1b[0m"; |
| static const char aclr_bold[] = "\x1b[1m"; |
| |
| static const char aclr_red[] = "\x1b[31m"; |
| static const char aclr_green[] = "\x1b[32m"; |
| static const char aclr_blue[] = "\x1b[34m"; |
| static const char aclr_magenta[] = "\x1b[35m"; |
| |
| static const char * ntux_output_error_header(const struct ntux_error_info * erri) |
| { |
| if (erri->eflags & NTUX_ERROR_CHILD) |
| return "exec error upon"; |
| |
| else if (erri->eflags & NTUX_ERROR_TOP_LEVEL) |
| return "error logged in"; |
| |
| else if (erri->eflags & NTUX_ERROR_NESTED) |
| return "< returned to >"; |
| |
| else |
| return "distorted state"; |
| } |
| |
| static const char * ntux_output_unit_header(const struct ntux_error_info * erri) |
| { |
| if (!(erri->eflags & NTUX_ERROR_CUSTOM)) |
| return "while opening"; |
| |
| else |
| return "while querying"; |
| } |
| |
| static const char * ntux_output_strerror( |
| const struct ntux_driver_ctx * dctx, |
| const struct ntux_error_info * erri) |
| { |
| struct ntux_driver_ctx_impl * ictx; |
| |
| if (erri->eflags & NTUX_ERROR_NATIVE) { |
| ictx = ntux_get_driver_ictx(dctx); |
| ntux_sprintf(ictx->errsbuf,"system error: 0x%X",erri->elibcode); |
| return ictx->errsbuf; |
| } |
| |
| if ((erri->eflags & NTUX_ERROR_CUSTOM) && (erri->elibcode == NTUX_ERR_NOT_IMPLEMENTED)) |
| return "status: support for one or more option values is not yet implemented"; |
| |
| else if (erri->eflags & NTUX_ERROR_CUSTOM) |
| return "flow error: unexpected condition or other"; |
| |
| else if (erri->eflags & NTUX_ERROR_NESTED) |
| return ""; |
| |
| else if (erri->eflags & NTUX_ERROR_CHILD) |
| return "(see child process error messages)"; |
| |
| else if (erri->esyscode == ENOBUFS) |
| return "input error: string length exceeds buffer size"; |
| |
| else |
| return ntux_strerror(dctx,erri->esyscode); |
| } |
| |
| static int ntux_output_error_record_plain( |
| const struct ntux_driver_ctx * dctx, |
| const struct ntux_error_info * erri) |
| { |
| const char * epath; |
| const char * errdesc = ntux_output_strerror(dctx,erri); |
| int fderr = ntux_driver_fderr(dctx); |
| |
| epath = erri->euctx |
| ? *erri->euctx->path |
| : erri->eunit; |
| |
| if (epath && !(erri->eflags & NTUX_ERROR_NESTED)) |
| if (ntux_dprintf( |
| fderr, |
| "%s: [%s] '%s':\n", |
| dctx->program, |
| ntux_output_unit_header(erri), |
| epath) < 0) |
| return -1; |
| |
| if (ntux_dprintf( |
| fderr, |
| "%s: %s %s(), line %d%s%s.\n", |
| dctx->program, |
| ntux_output_error_header(erri), |
| erri->efunction, |
| erri->eline, |
| strlen(errdesc) ? ": " : "", |
| errdesc) < 0) |
| return -1; |
| |
| return 0; |
| } |
| |
| static int ntux_output_error_record_annotated( |
| const struct ntux_driver_ctx * dctx, |
| const struct ntux_error_info * erri) |
| { |
| const char * epath; |
| const char * errdesc = ntux_output_strerror(dctx,erri); |
| int fderr = ntux_driver_fderr(dctx); |
| |
| epath = erri->euctx |
| ? *erri->euctx->path |
| : erri->eunit; |
| |
| if (epath && !(erri->eflags & NTUX_ERROR_NESTED)) |
| if (ntux_dprintf( |
| fderr, |
| "%s%s%s:%s %s[%s]%s %s%s'%s'%s:\n", |
| |
| aclr_bold,aclr_magenta, |
| dctx->program, |
| aclr_reset, |
| |
| aclr_bold, |
| ntux_output_unit_header(erri), |
| aclr_reset, |
| |
| aclr_bold,aclr_red, |
| epath, |
| aclr_reset) < 0) |
| return -1; |
| |
| if (ntux_dprintf( |
| fderr, |
| "%s%s%s:%s %s%s%s %s%s%s()%s, %s%sline %d%s%s%s%s%s.\n", |
| |
| aclr_bold,aclr_magenta, |
| dctx->program, |
| aclr_reset, |
| |
| aclr_bold, |
| ntux_output_error_header(erri), |
| aclr_reset, |
| |
| aclr_bold,aclr_blue, |
| erri->efunction, |
| aclr_reset, |
| |
| aclr_bold,aclr_green, |
| erri->eline, |
| aclr_reset, |
| strlen(errdesc) ? ": " : "", |
| |
| aclr_bold, |
| ntux_output_strerror(dctx,erri), |
| aclr_reset) < 0) |
| return -1; |
| |
| return 0; |
| } |
| |
| int ntux_output_error_record( |
| const struct ntux_driver_ctx * dctx, |
| const struct ntux_error_info * erri) |
| { |
| if (dctx->cctx->drvflags & NTUX_DRIVER_ANNOTATE_NEVER) |
| return ntux_output_error_record_plain(dctx,erri); |
| |
| else if (dctx->cctx->drvflags & NTUX_DRIVER_ANNOTATE_ALWAYS) |
| return ntux_output_error_record_annotated(dctx,erri); |
| |
| else if (isatty(ntux_driver_fderr(dctx))) |
| return ntux_output_error_record_annotated(dctx,erri); |
| |
| else |
| return ntux_output_error_record_plain(dctx,erri); |
| } |
| |
| static int ntux_output_error_vector_plain(const struct ntux_driver_ctx * dctx) |
| { |
| struct ntux_error_info ** perr; |
| |
| for (perr=dctx->errv; *perr; perr++) |
| if (ntux_output_error_record_plain(dctx,*perr)) |
| return -1; |
| |
| return 0; |
| } |
| |
| static int ntux_output_error_vector_annotated(const struct ntux_driver_ctx * dctx) |
| { |
| struct ntux_error_info ** perr; |
| |
| for (perr=dctx->errv; *perr; perr++) |
| if (ntux_output_error_record_annotated(dctx,*perr)) |
| return -1; |
| |
| return 0; |
| } |
| |
| int ntux_output_error_vector(const struct ntux_driver_ctx * dctx) |
| { |
| if (dctx->cctx->drvflags & NTUX_DRIVER_ANNOTATE_NEVER) |
| return ntux_output_error_vector_plain(dctx); |
| |
| else if (dctx->cctx->drvflags & NTUX_DRIVER_ANNOTATE_ALWAYS) |
| return ntux_output_error_vector_annotated(dctx); |
| |
| else if (isatty(ntux_driver_fderr(dctx))) |
| return ntux_output_error_vector_annotated(dctx); |
| |
| else |
| return ntux_output_error_vector_plain(dctx); |
| } |