diff options
Diffstat (limited to 'tools/power/acpi/tools/acpidump/apfiles.c')
-rw-r--r-- | tools/power/acpi/tools/acpidump/apfiles.c | 92 |
1 files changed, 54 insertions, 38 deletions
diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c index 4488accc010b..d470046a6d81 100644 --- a/tools/power/acpi/tools/acpidump/apfiles.c +++ b/tools/power/acpi/tools/acpidump/apfiles.c @@ -44,6 +44,27 @@ #include "acpidump.h" #include "acapps.h" +/* Local prototypes */ + +static int ap_is_existing_file(char *pathname); + +static int ap_is_existing_file(char *pathname) +{ +#ifndef _GNU_EFI + struct stat stat_info; + + if (!stat(pathname, &stat_info)) { + acpi_log_error("Target path already exists, overwrite? [y|n] "); + + if (getchar() != 'y') { + return (-1); + } + } +#endif + + return 0; +} + /****************************************************************************** * * FUNCTION: ap_open_output_file @@ -59,25 +80,19 @@ int ap_open_output_file(char *pathname) { - struct stat stat_info; - FILE *file; + ACPI_FILE file; /* If file exists, prompt for overwrite */ - if (!stat(pathname, &stat_info)) { - fprintf(stderr, - "Target path already exists, overwrite? [y|n] "); - - if (getchar() != 'y') { - return (-1); - } + if (ap_is_existing_file(pathname) != 0) { + return (-1); } /* Point stdout to the file */ - file = freopen(pathname, "w", stdout); + file = acpi_os_open_file(pathname, ACPI_FILE_WRITING); if (!file) { - perror("Could not open output file"); + acpi_log_error("Could not open output file: %s\n", pathname); return (-1); } @@ -106,7 +121,7 @@ int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance) { char filename[ACPI_NAME_SIZE + 16]; char instance_str[16]; - FILE *file; + ACPI_FILE file; size_t actual; u32 table_length; @@ -130,35 +145,37 @@ int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance) /* Handle multiple SSDts - create different filenames for each */ if (instance > 0) { - sprintf(instance_str, "%u", instance); - strcat(filename, instance_str); + acpi_ut_snprintf(instance_str, sizeof(instance_str), "%u", + instance); + ACPI_STRCAT(filename, instance_str); } - strcat(filename, ACPI_TABLE_FILE_SUFFIX); + ACPI_STRCAT(filename, ACPI_TABLE_FILE_SUFFIX); if (gbl_verbose_mode) { - fprintf(stderr, - "Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n", - table->signature, filename, table->length, - table->length); + acpi_log_error + ("Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n", + table->signature, filename, table->length, table->length); } /* Open the file and dump the entire table in binary mode */ - file = fopen(filename, "wb"); + file = acpi_os_open_file(filename, + ACPI_FILE_WRITING | ACPI_FILE_BINARY); if (!file) { - perror("Could not open output file"); + acpi_log_error("Could not open output file: %s\n", filename); return (-1); } - actual = fwrite(table, 1, table_length, file); + actual = acpi_os_write_file(file, table, 1, table_length); if (actual != table_length) { - perror("Error writing binary output file"); - fclose(file); + acpi_log_error("Error writing binary output file: %s\n", + filename); + acpi_os_close_file(file); return (-1); } - fclose(file); + acpi_os_close_file(file); return (0); } @@ -179,15 +196,16 @@ struct acpi_table_header *ap_get_table_from_file(char *pathname, u32 *out_file_size) { struct acpi_table_header *buffer = NULL; - FILE *file; + ACPI_FILE file; u32 file_size; size_t actual; /* Must use binary mode */ - file = fopen(pathname, "rb"); + file = + acpi_os_open_file(pathname, ACPI_FILE_READING | ACPI_FILE_BINARY); if (!file) { - perror("Could not open input file"); + acpi_log_error("Could not open input file: %s\n", pathname); return (NULL); } @@ -195,27 +213,25 @@ struct acpi_table_header *ap_get_table_from_file(char *pathname, file_size = cm_get_file_size(file); if (file_size == ACPI_UINT32_MAX) { - fprintf(stderr, - "Could not get input file size: %s\n", pathname); + acpi_log_error("Could not get input file size: %s\n", pathname); goto cleanup; } /* Allocate a buffer for the entire file */ - buffer = calloc(1, file_size); + buffer = ACPI_ALLOCATE_ZEROED(file_size); if (!buffer) { - fprintf(stderr, - "Could not allocate file buffer of size: %u\n", - file_size); + acpi_log_error("Could not allocate file buffer of size: %u\n", + file_size); goto cleanup; } /* Read the entire file */ - actual = fread(buffer, 1, file_size, file); + actual = acpi_os_read_file(file, buffer, 1, file_size); if (actual != file_size) { - fprintf(stderr, "Could not read input file: %s\n", pathname); - free(buffer); + acpi_log_error("Could not read input file: %s\n", pathname); + ACPI_FREE(buffer); buffer = NULL; goto cleanup; } @@ -223,6 +239,6 @@ struct acpi_table_header *ap_get_table_from_file(char *pathname, *out_file_size = file_size; cleanup: - fclose(file); + acpi_os_close_file(file); return (buffer); } |