g2cprod.c(3) Library Functions Manual g2cprod.c(3)

g2cprod.c - Product functions for the g2c library.

#include 'grib2_int.h'


EXTERN_MUTEX (m)
If pthreads are enabled, use externally-defined mutex for thread-safety. int g2c_get_prod (int g2cid, int msg_num, int prod_num, int *num_data_points, float *data)
Read the data for a product.


G2C_FILE_INFO_T g2c_file [G2C_MAX_FILES+1]
Global file information.

Product functions for the g2c library.

Author

Ed Hartnett

Date

Oct 1, 2022

Definition in file g2cprod.c.

If pthreads are enabled, use externally-defined mutex for thread-safety.

Read the data for a product.

Parameters

g2cid File ID.
msg_num Message number in file (first message in file is message 0).
prod_num Product number in message (first product in message is product 0).
num_data_points Pointer that gets the number of data points in the product. Ignored if NULL.
data Pointer that gets the data. Ignored if NULL.

Returns

•
G2C_NOERROR No error.

Author

Ed Hartnett

Date

Sep 28, 2022

Definition at line 32 of file g2cprod.c.

References g2c_message_info::bytes_to_msg, g2c_section_info::bytes_to_sec, g2c_section5_info::data_def, g2c_file_info::f, G2C_EBADID, G2C_EFILE, G2C_EINVAL, G2C_ENOMEM, G2C_ENOMSG, G2C_ENOPRODUCT, G2C_ENOSECTION, G2C_ERROR, g2c_file, G2C_MAX_FILES, G2C_NOERROR, g2c_unpack7(), g2c_section3_info::grid_def, g2c_section_info::msg, g2c_message_info::msg_num, MUTEX_LOCK, MUTEX_UNLOCK, g2c_message_info::next, g2c_section_info::next, g2c_section5_info::num_data_points, g2c_section_info::prev, g2c_message_info::sec, g2c_section_info::sec_info, g2c_section_info::sec_len, g2c_section_info::sec_num, g2c_section_info::template, and g2c_section_info::template_len.

Referenced by g2c_degrib2().

G2C_FILE_INFO_T g2c_file[G2C_MAX_FILES+1] [extern]

Global file information.

Definition at line 10 of file g2cfile.c.

Referenced by g2c_get_prod().

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